CASEYVILLE – The Illinois Department of Transportation today announced ramp closures at the Interstate 64 and Illinois 157 interchange in St. Clair County.Beginning at 5 p.m. Wednesday, June 17, 2026, the following ramps will be closed to traffic:• Illinois 157 to westbound I-64• Westbound I-64 to Illinois 157Weather permitting, all westbound ramps at the interchange are expected to reopen by 4 p.m. Monday, June 22.Immediately following the reop…